Hepatitis A control in a refugee camp by active immunization (CROSBI ID 202018)
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Podaci o odgovornosti
Kaić, Bernard ; Borčić, Berislav ; Ljubičić, Mazte ; Brkić, Inoslav ; Mihaljević, Ivanka
engleski
Hepatitis A control in a refugee camp by active immunization
An outbreak of hepatitis A occurred among children of a refugee camp in Croatia. In order to disrupt the outbreak, we decided to vaccinate children from 1 to 15 years of age in the camp, in addition to intensified general preventive measures. Assuming high prevalence of hepatitis A virus antibodies within this population, we conducted anti-HAV testing of the children eligible for vaccination. Of 108 children tested, 74 (68.5%) were anti-HAV positive. We vaccinated 34 children. One month after vaccination 31 previously negative children were tested for anti-HAV and 30 of them were found positive, suggesting a seroconversion rate of 96.8%. One child fell ill 5 days after vaccination, after whom no new cases of hepatitis A occurred. Thus we conclude that active immunization is a successful means of stopping an outbreak of hepatitis A.
hepatitis A; immunization
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